54914980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 121025520

約数和(自身を除く): 66110540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1297, 1460, 2117, 2594, 4234, 5188, 6485, 8468, 10585, 12970, 21170, 25940, 37613, 42340, 75226, 94681, 150452, 188065, 189362, 376130, 378724, 473405, 752260, 946810, 1893620, 2745749, 5491498, 10982996, 13728745, 27457490, 54914980]

約数ペア:

[(1, 54914980), (2, 27457490), (4, 13728745), (5, 10982996), (10, 5491498), (20, 2745749), (29, 1893620), (58, 946810), (73, 752260), (116, 473405), (145, 378724), (146, 376130), (290, 189362), (292, 188065), (365, 150452), (580, 94681), (730, 75226), (1297, 42340), (1460, 37613), (2117, 25940), (2594, 21170), (4234, 12970), (5188, 10585), (6485, 8468)]